20khn3a - aisi 4320 - 20hn3a pipe, round, rod

International Equivalent

The company Electrocentury-steel offers to buy at factory price bulk rental — round, rods and tubes, made of structural stainless steel grades 20KHN3A, 20hn3a, AISI 4320. Delivery possible in the shortest possible time, with the delivery of the purchased products directly to the consumer.

Chemical composition

Steel 20KHN3A is one of the leading brands of chromium-Nickel structural steels. Its production in Russia and CIS countries is conducted according to the technical requirements of GOST 4543. The chemical composition of steel corresponds to the following table:

Item

Carbon

Silicon

Manganese

Chrome

Nickel

The content in steel, %

0,17 0,24…

0,17…0,37

0,30…0,60

0,60…0,90

2,75 3,15…

In addition, the present steel composition of non-metallic components, sulfur and phosphorous, the number of which cannot exceed 0,025%.

Steel of this class are manufactured and abroad. It is worth noting steel brand 20hn3a, which is smelted in Poland, and its composition is identical steel 20KHN3A. Also known North American equivalent of AISI 4320 steel. Bulk rental of this steel produced according to ASTM A569. The chemical composition of steel AISI 4320 the following:

Item

Carbon

Silicon

Manganese

Chrome

Nickel

Molybdenum

The content in steel, %

0,17 0,22…

0,15 0,30…

0,65 0,45…

0,40…0,60

1,65 2,00…

0,20…0,30

Tolerances on the limiting content of sulphur and phosphorus are, respectively 0,040% 0,035%.

Buy at factory price round, rod and tube, made of structural chromium-Nickel steels 20KHN3A, 20hn3a, AISI 4320, the company offers Electrocentury-steel. The supplier guarantees the best price manufacturer and ensure timely delivery of the products to the consumer in the desired range.

Properties and applications

The considered steels have good machinability and pressure, have high toughness, are weldable. Of them made critical parts of machinery — shafts, axes, pinions, gears, etc., which operate at higher specific loads, and valves of pipelines.

Physico-mechanical characteristics of steels after annealing:

Tensile strength, MPa 580;

Yield strength, MPa — 425;

The modulus of elasticity, GPA — 190…210;

Elongation % — 29;

The relative narrowing, % — 58;

Brinell hardness number, HB — not more than 165.

The company Electrocentury-steel offers to buy the pipe, rod, circle of structural alloyed steel grades 20KHN3A, 20hn3a, AISI 4320 with a high content of chromium and Nickel. The price is from the manufacturer. Supplier to ensure strict compliance with the range of supply of products, as well as the delivery of the products to the address specified by the customer.